{"id":"ce1a139c-b005-4e55-bac0-685c5725f535","shortId":"JarzUV","kind":"x402","title":"x402-gated loan data endpoint on Base, pay $0.02 per request in USDC.","tagline":"x402-gated loan data endpoint on Base, pay $0.02 per request in USDC.","description":"This endpoint at lowpaymentfee.com provides access to a specific loan resource (loan ID 78) via the x402 payment protocol. It is part of a broader platform that offers a variety of pay-per-request APIs spanning data analytics, AI/ML inference, finance/Web3 data, and infrastructure utilities — all gated behind x402 micropayments on the Base network using USDC.\n\nThe specific endpoint `/api/v1/loans/78` is labeled \"Premium API Access\" by the provider. The x402 challenge confirms it is live, accepting POST requests, and requires a maximum payment of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 USD (USDC uses 6 decimals). Payment is made via the x402 \"exact\" scheme to the provider's wallet. No API keys or rate limits are advertised; access is granted purely through per-call payment.\n\nDocumentation is extremely sparse. The crawled docs, API, pricing, and README pages all returned only a \"Connect wallet\" prompt with no substantive content. There is no OpenAPI schema, no request/response examples, and no description of what the loan data resource actually returns. The endpoint path suggests it retrieves or operates on a loan record, but the exact fields, input parameters, and response format are unknown. Agents should be aware that the actual utility of this endpoint cannot be verified from available documentation alone.","tags":[],"capabilities":["x402-payment","usdc-micropayment","base-network","per-request-billing","loan-data","post-method"],"categories":["finance","data"],"synonyms":["loan API","x402 loan endpoint","micropayment API","pay-per-call API","USDC API","Base network API","lowpaymentfee"],"warnings":["No documentation available — docs, API, pricing, and README pages all return only 'Connect wallet' with no content.","No request or response schema provided; the actual data returned by /api/v1/loans/78 is unknown.","The endpoint path '/api/v1/loans/78' is not listed among the provider's advertised APIs on the homepage, raising questions about whether it is a standard offering or a test resource.","No OpenAPI spec or ai-plugin manifest found."],"endpointUrl":"https://lowpaymentfee.com/api/v1/loans/78","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/loans/78","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.300","qualityRationale":"The endpoint is live and returns a valid x402 402 challenge, confirming it accepts payments. However, there is no OpenAPI schema, no request/response examples, and no documentation beyond a generic label. The actual data returned is completely unknown, making this effectively a stub 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'0.02':10,24,126 '000':115 '0x8335':120 '20':114 '2913':121 '6':130 '78':42 'Base network API' 'USDC API' 'accept':105 'access':34,94,153 'actual':202,233 'advertis':152 'agent':227 'ai/ml':68 'alon':244 'analyt':67 'api':64,93,146,169 'avail':242 'awar':230 'base':8,22,82,116,123 'base-network' 'behind':77 'broader':53 'call':160 'cannot':238 'challeng':100 'confirm':101 'connect':178 'content':184 'crawl':167 'data':5,19,66,71,200 'decim':131 'descript':195 'doc':168 'document':162,243 'endpoint':6,20,30,88,205,237 'equal':125 'exact':138,218 'exampl':192 'extrem':164 'field':219 'finance/web3':70 'format':224 'gate':3,17,76 'grant':155 'id':41 'infer':69 'infrastructur':73 'input':220 'key':147 'label':91 'limit':150 'live':104 'loan':4,18,38,40,199,214 'loan API' 'loan-data' 'lowpaymentfee' 'lowpaymentfee.com':32 'made':134 'maximum':111 'micropay':79 'micropayment API' 'network':83 'offer':56 'openapi':188 'oper':211 'page':173 'paramet':221 'part':50 'path':206 'pay':9,23,61 'pay-per-call API' 'pay-per-request':60 'payment':46,112,132,161 'per':11,25,62,159 'per-cal':158 'per-request-billing' 'platform':54 'post':106 'post-method' 'premium':92 'price':170 'prompt':180 'protocol':47 'provid':33,97,142 'pure':156 'rate':149 'readm':172 'record':215 'request':12,26,63,107 'request/response':191 'requir':109 'resourc':39,201 'respons':223 'retriev':209 'return':175,203 'schema':189 'scheme':139 'span':65 'spars':165 'specif':37,87 'substant':183 'suggest':207 'unit':117 'unknown':226 'usd':127 'usdc':14,28,85,119,128 'usdc-micropayment' 'use':84,129 'util':74,234 'varieti':58 'verifi':240 'via':43,135 'wallet':144,179 'x402':2,16,45,78,99,137 'x402 loan endpoint' 'x402-gated':1,15 'x402-payment'","prices":[{"id":"d912ac36-cdee-4aca-a28f-8256c180e89b","listingId":"ce1a139c-b005-4e55-bac0-685c5725f535","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://lowpaymentfee.com/api/v1/loans/78","description":"Premium API Access","outputSchema":{"input":{"type":"http","method":"GET","discoverable":true}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:47:56.633Z"}],"sources":[{"listingId":"ce1a139c-b005-4e55-bac0-685c5725f535","source":"x402_bazaar","sourceId":"https://lowpaymentfee.com/api/v1/loans/78","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:47:56.633Z","lastSeenAt":"2026-04-28T10:33:35.614Z"}],"details":{"listingId":"ce1a139c-b005-4e55-bac0-685c5725f535","quickStartSnippet":"curl -X POST https://lowpaymentfee.com/api/v1/loans/78 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\"","exampleRequest":null,"exampleResponse":null,"schema":{"input":{"type":"http","method":"GET","discoverable":true}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a valid x402 402 challenge with maxAmountRequired of 20000 base units of USDC on Base","source_url":"https://lowpaymentfee.com/api/v1/loans/78"},{"claim":"The platform advertises $0.02 per request pricing with no API keys, no rate limits, and instant access on Base network","source_url":"https://lowpaymentfee.com"},{"claim":"USDC contract on Base is 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","source_url":"https://lowpaymentfee.com/api/v1/loans/78"}],"useCases":["Retrieving loan data for a specific loan record via micropayment","Integrating pay-per-request loan information into agent workflows","Accessing financial data without API key registration"],"bestFor":["Agents that need on-demand loan data without subscription commitments","Developers prototyping x402 payment flows on Base","Use cases requiring keyless, per-call API access"],"notFor":["Bulk loan data retrieval (no documented batch endpoints)","Users who need detailed documentation or guaranteed SLAs before integrating"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:14:14.172Z"},"updatedAt":"2026-04-28T10:33:35.614Z"}}